<?php // $Id: set.php,v 1.21 2007/06/22 13:23:21 dwoolhead Exp $

/////////////////////////////////////////////////////////////////////////////
//																		 //
// NOTICE OF COPYRIGHT													 //
//																		 //
// Moodle - Calendar extension											 //
//																		 //
// Copyright (C) 2003-2004  Greek School Network			www.sch.gr	 //
//																		 //
// Designed by:															//
//	 Avgoustos Tsinakos (tsinakos@teikav.edu.gr)						 //
//	 Jon Papaioannou (pj@moodle.org)									 //
//																		 //
// Programming and development:											//
//	 Jon Papaioannou (pj@moodle.org)									 //
//																		 //
// For bugs, suggestions, etc contact:									 //
//	 Jon Papaioannou (pj@moodle.org)									 //
//																		 //
// The current module was developed at the University of Macedonia		 //
// (www.uom.gr) under the funding of the Greek School Network (www.sch.gr) //
// The aim of this project is to provide additional and improved		   //
// functionality to the Asynchronous Distance Education service that the   //
// Greek School Network deploys.										   //
//																		 //
// This program is free software; you can redistribute it and/or modify	//
// it under the terms of the GNU General Public License as published by	//
// the Free Software Foundation; either version 2 of the License, or	   //
// (at your option) any later version.									 //
//																		 //
// This program is distributed in the hope that it will be useful,		 //
// but WITHOUT ANY WARRANTY; without even the implied warranty of		  //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the		   //
// GNU General Public License for more details:							//
//																		 //
//		  http://www.gnu.org/copyleft/gpl.html						   //
//																		 //
/////////////////////////////////////////////////////////////////////////////

	require_once('../config.php');
	require_once($CFG->dirroot.'/calendar/lib.php');

	$from = required_param('from');
	$var = required_param('var');
	$value = optional_param('value');
	$id = optional_param('id');
	$cal_d = optional_param('cal_d');
	$cal_m = optional_param('cal_m');
	$cal_y = optional_param('cal_y');
	$action = optional_param('action');
	$type = optional_param('type');

	// Initialize the session variables
	calendar_session_vars();

	// Ensure course id passed if relevant
	// Required due to changes in view/lib.php mainly (calendar_session_vars())
	$courseid = '';
	if (!empty($id)) {
		$courseid = '&amp;course='.$id;
	}

	switch($var) {
		case 'setuser':
			// Not implemented yet (or possibly at all)
		break;
		case 'setcourse':
			$id = intval($id);
			if($id == 0) {
				$SESSION->cal_courses_shown = array();
				calendar_set_referring_course(0);
			}
			else if($id == 1) {
				$SESSION->cal_courses_shown = calendar_get_default_courses(true);
				calendar_set_referring_course(0);
			}
			else {
				if(get_record('course', 'id', $id) === false) {
					// There is no such course
					$SESSION->cal_courses_shown = array();
					calendar_set_referring_course(0);
				}
				else {
					calendar_set_referring_course($id);
					$SESSION->cal_courses_shown = $id;
				}
			}
		break;
		case 'showgroups':
			$SESSION->cal_show_groups = !$SESSION->cal_show_groups;
			set_user_preference('calendar_savedflt', calendar_get_filters_status());
		break;
		case 'showcourses':
			$SESSION->cal_show_course = !$SESSION->cal_show_course;
			set_user_preference('calendar_savedflt', calendar_get_filters_status());
		break;
		case 'showglobal':
			$SESSION->cal_show_global = !$SESSION->cal_show_global;
			set_user_preference('calendar_savedflt', calendar_get_filters_status());
		break;
		case 'showuser':
			$SESSION->cal_show_user = !$SESSION->cal_show_user;
			set_user_preference('calendar_savedflt', calendar_get_filters_status());
		break;
	}

	switch($from) {
		case 'event':
			redirect(CALENDAR_URL.'event.php?action='.$action.'&amp;type='.$type.'&amp;id='.intval($id));
		break;
		case 'month':
			redirect(CALENDAR_URL.'view.php?view=month'.$courseid.'&cal_d='.$cal_d.'&cal_m='.$cal_m.'&cal_y='.$cal_y);
		break;
		case 'upcoming':
			redirect(CALENDAR_URL.'view.php?view=upcoming'.$courseid);
		break;
		case 'day':
			redirect(CALENDAR_URL.'view.php?view=day'.$courseid.'&cal_d='.$cal_d.'&cal_m='.$cal_m.'&cal_y='.$cal_y);
		break;
		case 'course':
			redirect($CFG->wwwroot.'/course/view.php?id='.intval($id));
		break;
		default:

	}
?>
